Parts of the brain

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  • 1. Parts of the Brain Chapter 6 Section 2
  • 2. Hindbrain
    • Rear base of skull
    • Basic processes of life
    • Includes:
      • Cerebellum
        • Picture favorite athlete with bells on
      • Medulla
        • Medals on heart and lungs
      • Pons
        • Relaxing pond
  • 3. Midbrain
    • Medulla and Pons
    • Reticular Activating System (RAS)
      • Alerts brain of signals
      • Think about if you were napping and someone tickled you
  • 4. Forebrain
    • Covers brain’s central core
    • Outer layer = cerebral cortex
    • Inner layer = cerebrum
    • Includes the limbic system
      • Thalamus
      • Hypothalamus
      • Hippocampus
      • Amygdala
  • 5. Limbic System
    • Thalamus
      • Hal and Amos directors of traffic
    • Hypothalamus
      • Hypo the Llamas
    • Amygdala
      • Look out a MIG!
    • Hippocampus
      • The Hippo who forgot his compass and can’t find his way home
  • 6. Lobes of the Brain
    • http://www.pbs.org/wnet/brain/3d/index.html
  • 7. Left and Right Hemispheres
    • Connected by Corpus Callosum
    • Left hemisphere controls right side and right hemisphere controls left side
      • Left = language, logic, logarithms (math)
      • Right = visual and spatial Relations, Recognizing patterns, aRt, Rhumba(music)
      • Band of fibers that connect the cerebral hemispheres
      • 2 hemispheres communicate
  • 8. Split Brain Operations
    • Stops violent seizures
  • 9. Accidents – Phineas Gage
  • 10. Methods
    • Recording – EEG
    • Stimulating
      • Determine what functions different parts perform and can determine where the problem lies
      • Pain relief
    • Lesioning
      • Performed on Rhesus monkeys
    • Imaging
  • 11. Imaging
    • CAT – Computerized Axial Tomography
      • Radiation
    • PET – Positron Emission Topography
      • Radioactive solution injected – active neurons absorb radiation
    • MRI - Magnetic Resonance Imaging
      • Shows activity and structure – radio frequencies
    • FMRI – Functional Magnetic Resonance imaging
      • Observe functions and structures
      • No radio frequencies – based on blood oxygen levels
  • 12. Imaging
    • http://www.pbs.org/wnet/brain/scanning/index.html